3121020034 has 24 divisors (see below), whose sum is σ = 5148799740. Its totient is φ = 1417822560.

The previous prime is 3121019981. The next prime is 3121020037. The reversal of 3121020034 is 4300201213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2840357025 + 280663009 = 53295^2 + 16753^2 .

It is a super-2 number, since 2×3121020034² = 19481532105258722312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121020037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649312 + ... + 654100.

Almost surely, 2^3121020034 is an apocalyptic number.

3121020034 is a deficient number, since it is larger than the sum of its proper divisors (2027779706).

3121020034 is a wasteful number, since it uses less digits than its factorization.

3121020034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3121020034 is about 55866.0901979009. The cubic root of 3121020034 is about 1461.3879392323.

Adding to 3121020034 its reverse (4300201213), we get a palindrome (7421221247).

The spelling of 3121020034 in words is "three billion, one hundred twenty-one million, twenty thousand, thirty-four".