31623267315401 has 16 divisors (see below), whose sum is σ = 34163726158848. Its totient is φ = 29185727155200.

The previous prime is 31623267315397. The next prime is 31623267315407. The reversal of 31623267315401 is 10451376232613.

It is a cyclic number.

It is not a de Polignac number, because 31623267315401 - 2² = 31623267315397 is a prime.

It is a super-2 number, since 2×31623267315401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31623267315407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65564480 + ... + 66045041.

It is an arithmetic number, because the mean of its divisors is an integer number (2135232884928).

Almost surely, 2^{31623267315401} is an apocalyptic number.

31623267315401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31623267315401 is a deficient number, since it is larger than the sum of its proper divisors (2540458843447).

31623267315401 is a wasteful number, since it uses less digits than its factorization.

31623267315401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131609912.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 31623267315401 in words is "thirty-one trillion, six hundred twenty-three billion, two hundred sixty-seven million, three hundred fifteen thousand, four hundred one".