31020131303032 has 64 divisors (see below), whose sum is σ = 60191707484160. Its totient is φ = 14971571366400.

The previous prime is 31020131303017. The next prime is 31020131303113. The reversal of 31020131303032 is 23030313102013.

It is a junction number, because it is equal to n+sod(n) for n = 31020131302994 and 31020131303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492109357 + ... + 492172387.

It is an arithmetic number, because the mean of its divisors is an integer number (940495429440).

Almost surely, 2^{31020131303032} is an apocalyptic number.

It is an amenable number.

31020131303032 is a deficient number, since it is larger than the sum of its proper divisors (29171576181128).

31020131303032 is a wasteful number, since it uses less digits than its factorization.

31020131303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68084 (or 68080 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31020131303032 its reverse (23030313102013), we get a palindrome (54050444405045).

The spelling of 31020131303032 in words is "thirty-one trillion, twenty billion, one hundred thirty-one million, three hundred three thousand, thirty-two".