1631312206140 has 96 divisors (see below), whose sum is σ = 4598021514240. Its totient is φ = 432133261056.

The previous prime is 1631312206133. The next prime is 1631312206177. The reversal of 1631312206140 is 416022131361.

It is a super-2 number, since 2×1631312206140² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1631312206098 and 1631312206107.

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 31 ways as a sum of consecutive naturals, for example, 7492941 + ... + 7707579.

It is an arithmetic number, because the mean of its divisors is an integer number (47896057440).

Almost surely, 2^{1631312206140} is an apocalyptic number.

1631312206140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1631312206140 is an abundant number, since it is smaller than the sum of its proper divisors (2966709308100).

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

1631312206140 is a wasteful number, since it uses less digits than its factorization.

1631312206140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215491 (or 215489 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1631312206140 in words is "one trillion, six hundred thirty-one billion, three hundred twelve million, two hundred six thousand, one hundred forty".