31323312001300 has 36 divisors (see below), whose sum is σ = 74150822231136. Its totient is φ = 11390295272800.

The previous prime is 31323312001279. The next prime is 31323312001321. The reversal of 31323312001300 is 310021332313.

It is an interprime number because it is at equal distance from previous prime (31323312001279) and next prime (31323312001321).

It is a super-2 number, since 2×31323312001300² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14237867992 + ... + 14237870191.

It is an arithmetic number, because the mean of its divisors is an integer number (2059745061976).

Almost surely, 2^{31323312001300} is an apocalyptic number.

It is an amenable number.

31323312001300 is an abundant number, since it is smaller than the sum of its proper divisors (42827510229836).

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

31323312001300 is a wasteful number, since it uses less digits than its factorization.

31323312001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28475738208 (or 28475738201 counting only the distinct ones).

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

Adding to 31323312001300 its reverse (310021332313), we get a palindrome (31633333333613).

The spelling of 31323312001300 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred twelve million, one thousand, three hundred".