31003000132200 has 96 divisors (see below), whose sum is σ = 96244857866400. Its totient is φ = 8255805845760.

The previous prime is 31003000132199. The next prime is 31003000132297. The reversal of 31003000132200 is 223100030013.

It is a super-2 number, since 2×31003000132200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31003000132200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36014422 + ... + 36865221.

It is an arithmetic number, because the mean of its divisors is an integer number (1002550602775).

Almost surely, 2^{31003000132200} is an apocalyptic number.

31003000132200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31003000132200 is an abundant number, since it is smaller than the sum of its proper divisors (65241857734200).

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

31003000132200 is a wasteful number, since it uses less digits than its factorization.

31003000132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72880371 (or 72880362 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31003000132200 its reverse (223100030013), we get a palindrome (31226100162213).

The spelling of 31003000132200 in words is "thirty-one trillion, three billion, one hundred thirty-two thousand, two hundred".