31200114042331 has 4 divisors (see below), whose sum is σ = 33600122814832. Its totient is φ = 28800105269832.

The previous prime is 31200114042313. The next prime is 31200114042343. The reversal of 31200114042331 is 13324041100213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31200114042331 - 2²³ = 31200105653723 is a prime.

It is a super-2 number, since 2×31200114042331² (a number of 28 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 = 31200114042296 and 31200114042305.

It is not an unprimeable number, because it can be changed into a prime (31200114042301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200004386231 + ... + 1200004386256.

It is an arithmetic number, because the mean of its divisors is an integer number (8400030703708).

Almost surely, 2^{31200114042331} is an apocalyptic number.

31200114042331 is a deficient number, since it is larger than the sum of its proper divisors (2400008772501).

31200114042331 is a wasteful number, since it uses less digits than its factorization.

31200114042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400008772500.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31200114042331 its reverse (13324041100213), we get a palindrome (44524155142544).

The spelling of 31200114042331 in words is "thirty-one trillion, two hundred billion, one hundred fourteen million, forty-two thousand, three hundred thirty-one".