31113002030 has 32 divisors (see below), whose sum is σ = 64688427360. Its totient is φ = 10648299520.

The previous prime is 31113002029. The next prime is 31113002057. The reversal of 31113002030 is 3020031113.

It is a junction number, because it is equal to n+sod(n) for n = 31113001996 and 31113002014.

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, 8317115 + ... + 8320854.

It is an arithmetic number, because the mean of its divisors is an integer number (2021513355).

Almost surely, 2^31113002030 is an apocalyptic number.

31113002030 is an abundant number, since it is smaller than the sum of its proper divisors (33575425330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113002030 is a wasteful number, since it uses less digits than its factorization.

31113002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16638004.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31113002030 its reverse (3020031113), we get a palindrome (34133033143).

The spelling of 31113002030 in words is "thirty-one billion, one hundred thirteen million, two thousand, thirty".