31250530111201 has 32 divisors (see below), whose sum is σ = 33763182317568. Its totient is φ = 28854353848320.

The previous prime is 31250530111183. The next prime is 31250530111217. The reversal of 31250530111201 is 10211103505213.

It is not a de Polignac number, because 31250530111201 - 2⁹ = 31250530110689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31250530111301) by changing a digit.

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, 22405665 + ... + 23759521.

It is an arithmetic number, because the mean of its divisors is an integer number (1055099447424).

Almost surely, 2^{31250530111201} is an apocalyptic number.

It is an amenable number.

31250530111201 is a deficient number, since it is larger than the sum of its proper divisors (2512652206367).

31250530111201 is a wasteful number, since it uses less digits than its factorization.

31250530111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354221.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 31250530111201 its reverse (10211103505213), we get a palindrome (41461633616414).

The spelling of 31250530111201 in words is "thirty-one trillion, two hundred fifty billion, five hundred thirty million, one hundred eleven thousand, two hundred one".