3121034002 has 16 divisors (see below), whose sum is σ = 4771713240. Its totient is φ = 1530485632.

The previous prime is 3121033991. The next prime is 3121034009. The reversal of 3121034002 is 2004301213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3064618881 + 56415121 = 55359^2 + 7511^2 .

It is not an unprimeable number, because it can be changed into a prime (3121034009) 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, 428124 + ... + 435352.

Almost surely, 2^3121034002 is an apocalyptic number.

3121034002 is a deficient number, since it is larger than the sum of its proper divisors (1650679238).

3121034002 is a wasteful number, since it uses less digits than its factorization.

3121034002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357.

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

The square root of 3121034002 is about 55866.2152109842. The cubic root of 3121034002 is about 1461.3901193567.

Adding to 3121034002 its reverse (2004301213), we get a palindrome (5125335215).

The spelling of 3121034002 in words is "three billion, one hundred twenty-one million, thirty-four thousand, two".