2012213031 has 8 divisors (see below), whose sum is σ = 2824158720. Its totient is φ = 1270871352.

The previous prime is 2012213023. The next prime is 2012213081. The reversal of 2012213031 is 1303122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012213031 - 2³ = 2012213023 is a prime.

It is a super-2 number, since 2×2012213031² = 8098002564252413922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012213031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012213011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17650935 + ... + 17651048.

It is an arithmetic number, because the mean of its divisors is an integer number (353019840).

Almost surely, 2^2012213031 is an apocalyptic number.

2012213031 is a deficient number, since it is larger than the sum of its proper divisors (811945689).

2012213031 is a wasteful number, since it uses less digits than its factorization.

2012213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35302005.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2012213031 is about 44857.6975668614. The cubic root of 2012213031 is about 1262.4804231320.

Adding to 2012213031 its reverse (1303122102), we get a palindrome (3315335133).

It can be divided in two parts, 20122 and 13031, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 2012213031 in words is "two billion, twelve million, two hundred thirteen thousand, thirty-one".