31120031123002 has 16 divisors (see below), whose sum is σ = 47745581051520. Its totient is φ = 15205842187648.

The previous prime is 31120031122987. The next prime is 31120031123141. The reversal of 31120031123002 is 20032113002113.

It is a super-2 number, since 2×31120031123002² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251124823 + ... + 251248714.

It is an arithmetic number, because the mean of its divisors is an integer number (2984098815720).

Almost surely, 2^{31120031123002} is an apocalyptic number.

31120031123002 is a deficient number, since it is larger than the sum of its proper divisors (16625549928518).

31120031123002 is a wasteful number, since it uses less digits than its factorization.

31120031123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502374245.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31120031123002 its reverse (20032113002113), we get a palindrome (51152144125115).

The spelling of 31120031123002 in words is "thirty-one trillion, one hundred twenty billion, thirty-one million, one hundred twenty-three thousand, two".