31200130322010 has 48 divisors (see below), whose sum is σ = 87360364904904. Its totient is φ = 7680032078976.

The previous prime is 31200130322003. The next prime is 31200130322069. The reversal of 31200130322010 is 1022303100213.

31200130322010 is a `hidden beast` number, since 3 + 1 + 200 + 130 + 322 + 0 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22090122200169 + 9110008121841 = 4700013^2 + 3018279^2 .

It is a super-2 number, since 2×31200130322010² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 13333387857 + ... + 13333390196.

Almost surely, 2^{31200130322010} is an apocalyptic number.

31200130322010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31200130322010 is an abundant number, since it is smaller than the sum of its proper divisors (56160234582894).

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

31200130322010 is a wasteful number, since it uses less digits than its factorization.

31200130322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26666778079 (or 26666778076 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31200130322010 its reverse (1022303100213), we get a palindrome (32222433422223).

The spelling of 31200130322010 in words is "thirty-one trillion, two hundred billion, one hundred thirty million, three hundred twenty-two thousand, ten".