31400132021304 has 64 divisors (see below), whose sum is σ = 80622969438240. Its totient is φ = 10183699169280.

The previous prime is 31400132021281. The next prime is 31400132021311. The reversal of 31400132021304 is 40312023100413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92787832 + ... + 93125624.

Almost surely, 2^{31400132021304} is an apocalyptic number.

It is an amenable number.

31400132021304 is an abundant number, since it is smaller than the sum of its proper divisors (49222837416936).

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

31400132021304 is a wasteful number, since it uses less digits than its factorization.

31400132021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442520 (or 442516 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31400132021304 its reverse (40312023100413), we get a palindrome (71712155121717).

The spelling of 31400132021304 in words is "thirty-one trillion, four hundred billion, one hundred thirty-two million, twenty-one thousand, three hundred four".