1013023131 has 8 divisors (see below), whose sum is σ = 1361008704. Its totient is φ = 670193160.

The previous prime is 1013023087. The next prime is 1013023159. The reversal of 1013023131 is 1313203101.

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

It is not a de Polignac number, because 1013023131 - 2⁷ = 1013023003 is a prime.

It is a super-2 number, since 2×1013023131² = 2052431727882086322, 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 1013023131.

It is not an unprimeable number, because it can be changed into a prime (1013023631) 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, 1288441 + ... + 1289226.

It is an arithmetic number, because the mean of its divisors is an integer number (170126088).

Almost surely, 2^1013023131 is an apocalyptic number.

1013023131 is a deficient number, since it is larger than the sum of its proper divisors (347985573).

1013023131 is a wasteful number, since it uses less digits than its factorization.

1013023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577801.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1013023131 is about 31828.0243024917. The cubic root of 1013023131 is about 1004.3223341765.

Adding to 1013023131 its reverse (1313203101), we get a palindrome (2326226232).

The spelling of 1013023131 in words is "one billion, thirteen million, twenty-three thousand, one hundred thirty-one".