31130320241000 has 64 divisors (see below), whose sum is σ = 72863893889280. Its totient is φ = 12448889716800.

The previous prime is 31130320240979. The next prime is 31130320241021. The reversal of 31130320241000 is 14202303113.

It is an interprime number because it is at equal distance from previous prime (31130320240979) and next prime (31130320241021).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 199052 + ... + 7893051.

It is an arithmetic number, because the mean of its divisors is an integer number (1138498342020).

Almost surely, 2^{31130320241000} is an apocalyptic number.

It is an amenable number.

31130320241000 is an abundant number, since it is smaller than the sum of its proper divisors (41733573648280).

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

31130320241000 is a wasteful number, since it uses less digits than its factorization.

31130320241000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095971 (or 8095957 counting only the distinct ones).

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

Adding to 31130320241000 its reverse (14202303113), we get a palindrome (31144522544113).

The spelling of 31130320241000 in words is "thirty-one trillion, one hundred thirty billion, three hundred twenty million, two hundred forty-one thousand".