631156703053353 has 8 divisors (see below), whose sum is σ = 842233759872288. Its totient is φ = 420425390801664.

The previous prime is 631156703053343. The next prime is 631156703053361. The reversal of 631156703053353 is 353350307651136.

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

It is not a de Polignac number, because 631156703053353 - 2²⁵ = 631156669498921 is a prime.

It is a super-3 number, since 3×631156703053353³ (a number of 45 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 631156703053296 and 631156703053305.

It is not an unprimeable number, because it can be changed into a prime (631156703053343) 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, 86436137551 + ... + 86436144852.

It is an arithmetic number, because the mean of its divisors is an integer number (105279219984036).

Almost surely, 2^{631156703053353} is an apocalyptic number.

It is an amenable number.

631156703053353 is a deficient number, since it is larger than the sum of its proper divisors (211077056818935).

631156703053353 is a wasteful number, since it uses less digits than its factorization.

631156703053353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172872283623.

The product of its (nonzero) digits is 7654500, while the sum is 51.

The spelling of 631156703053353 in words is "six hundred thirty-one trillion, one hundred fifty-six billion, seven hundred three million, fifty-three thousand, three hundred fifty-three".