31400101042331 has 6 divisors (see below), whose sum is σ = 36526648151340. Its totient is φ = 26914372321956.

The previous prime is 31400101042231. The next prime is 31400101042337. The reversal of 31400101042331 is 13324010100413.

It is not a de Polignac number, because 31400101042331 - 2¹⁰ = 31400101041307 is a prime.

It is a super-2 number, since 2×31400101042331² (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 = 31400101042297 and 31400101042306.

It is not an unprimeable number, because it can be changed into a prime (31400101042337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320409194261 + ... + 320409194358.

It is an arithmetic number, because the mean of its divisors is an integer number (6087774691890).

Almost surely, 2^{31400101042331} is an apocalyptic number.

31400101042331 is a deficient number, since it is larger than the sum of its proper divisors (5126547109009).

31400101042331 is an equidigital number, since it uses as much as digits as its factorization.

31400101042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640818388633 (or 640818388626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31400101042331 its reverse (13324010100413), we get a palindrome (44724111142744).

The spelling of 31400101042331 in words is "thirty-one trillion, four hundred billion, one hundred one million, forty-two thousand, three hundred thirty-one".