31143612474501 has 16 divisors (see below), whose sum is σ = 43330390172160. Its totient is φ = 19859627660400.

The previous prime is 31143612474467. The next prime is 31143612474529. The reversal of 31143612474501 is 10547421634113.

It is not a de Polignac number, because 31143612474501 - 2⁶ = 31143612474437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143612474571) 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, 27034326 + ... + 28162776.

It is an arithmetic number, because the mean of its divisors is an integer number (2708149385760).

Almost surely, 2^{31143612474501} is an apocalyptic number.

It is an amenable number.

31143612474501 is a deficient number, since it is larger than the sum of its proper divisors (12186777697659).

31143612474501 is a wasteful number, since it uses less digits than its factorization.

31143612474501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528456.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 31143612474501 in words is "thirty-one trillion, one hundred forty-three billion, six hundred twelve million, four hundred seventy-four thousand, five hundred one".