13031007870 has 16 divisors (see below), whose sum is σ = 31274418960. Its totient is φ = 3474935424.

The previous prime is 13031007863. The next prime is 13031007877. The reversal of 13031007870 is 7870013031.

It is an interprime number because it is at equal distance from previous prime (13031007863) and next prime (13031007877).

It is a super-2 number, since 2×13031007870² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 434366929 = 13031007870 / (1 + 3 + 0 + 3 + 1 + 0 + 0 + 7 + 8 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031007877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217183435 + ... + 217183494.

It is an arithmetic number, because the mean of its divisors is an integer number (1954651185).

Almost surely, 2^13031007870 is an apocalyptic number.

13031007870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031007870 is an abundant number, since it is smaller than the sum of its proper divisors (18243411090).

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

13031007870 is a wasteful number, since it uses less digits than its factorization.

13031007870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434366939.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 13031007870 in words is "thirteen billion, thirty-one million, seven thousand, eight hundred seventy".