31400422012143 has 12 divisors (see below), whose sum is σ = 45362432483368. Its totient is φ = 20930722049520.

The previous prime is 31400422012139. The next prime is 31400422012189. The reversal of 31400422012143 is 34121022400413.

31400422012143 is a `hidden beast` number, since 3 + 1 + 400 + 42 + 2 + 0 + 1 + 214 + 3 = 666.

It is not a de Polignac number, because 31400422012143 - 2² = 31400422012139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400422012103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240983353 + ... + 241113618.

Almost surely, 2^{31400422012143} is an apocalyptic number.

31400422012143 is a deficient number, since it is larger than the sum of its proper divisors (13962010471225).

31400422012143 is a wasteful number, since it uses less digits than its factorization.

31400422012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482104214 (or 482104211 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31400422012143 its reverse (34121022400413), we get a palindrome (65521444412556).

The spelling of 31400422012143 in words is "thirty-one trillion, four hundred billion, four hundred twenty-two million, twelve thousand, one hundred forty-three".