1055201731631 has 8 divisors (see below), whose sum is σ = 1078433241024. Its totient is φ = 1032002739360.

The previous prime is 1055201731613. The next prime is 1055201731663. The reversal of 1055201731631 is 1361371025501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055201731631 - 2⁶ = 1055201731567 is a prime.

It is a super-2 number, since 2×1055201731631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055201731591 and 1055201731600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055201730631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8063660 + ... + 8193473.

It is an arithmetic number, because the mean of its divisors is an integer number (134804155128).

Almost surely, 2^{1055201731631} is an apocalyptic number.

1055201731631 is a deficient number, since it is larger than the sum of its proper divisors (23231509393).

1055201731631 is a wasteful number, since it uses less digits than its factorization.

1055201731631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258561.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 1055201731631 in words is "one trillion, fifty-five billion, two hundred one million, seven hundred thirty-one thousand, six hundred thirty-one".