31023121034 has 8 divisors (see below), whose sum is σ = 46846995300. Its totient is φ = 15407455936.

The previous prime is 31023121021. The next prime is 31023121037. The reversal of 31023121034 is 43012132013.

It can be written as a sum of positive squares in 2 ways, for example, as 30994658809 + 28462225 = 176053^2 + 5335^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31023120997 and 31023121015.

It is not an unprimeable number, because it can be changed into a prime (31023121037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52051919 + ... + 52052514.

Almost surely, 2^31023121034 is an apocalyptic number.

31023121034 is a deficient number, since it is larger than the sum of its proper divisors (15823874266).

31023121034 is a wasteful number, since it uses less digits than its factorization.

31023121034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104104584.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31023121034 its reverse (43012132013), we get a palindrome (74035253047).

The spelling of 31023121034 in words is "thirty-one billion, twenty-three million, one hundred twenty-one thousand, thirty-four".