31142631401 has 16 divisors (see below), whose sum is σ = 36417907200. Its totient is φ = 26079814080.

The previous prime is 31142631391. The next prime is 31142631431. The reversal of 31142631401 is 10413624113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31142631401 - 2⁶ = 31142631337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142631431) 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, 181121 + ... + 308366.

It is an arithmetic number, because the mean of its divisors is an integer number (2276119200).

Almost surely, 2^31142631401 is an apocalyptic number.

It is an amenable number.

31142631401 is a deficient number, since it is larger than the sum of its proper divisors (5275275799).

31142631401 is a wasteful number, since it uses less digits than its factorization.

31142631401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489704.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 31142631401 in words is "thirty-one billion, one hundred forty-two million, six hundred thirty-one thousand, four hundred one".