31140289380672 has 112 divisors (see below), whose sum is σ = 93273980258880. Its totient is φ = 10184245553664.

The previous prime is 31140289380649. The next prime is 31140289380679. The reversal of 31140289380672 is 27608398204113.

It is a happy number.

31140289380672 is a `hidden beast` number, since 3 + 1 + 1 + 402 + 8 + 93 + 80 + 6 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31140289380679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169917858 + ... + 170101025.

Almost surely, 2^{31140289380672} is an apocalyptic number.

31140289380672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31140289380672 is an abundant number, since it is smaller than the sum of its proper divisors (62133690878208).

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

31140289380672 is a wasteful number, since it uses less digits than its factorization.

31140289380672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340018957 (or 340018941 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 31140289380672 in words is "thirty-one trillion, one hundred forty billion, two hundred eighty-nine million, three hundred eighty thousand, six hundred seventy-two".