31747038071401 has 9 divisors (see below), whose sum is σ = 31828670397559. Its totient is φ = 31665614620000.

The previous prime is 31747038071387. The next prime is 31747038071423. The reversal of 31747038071401 is 10417083074713.

The square root of 31747038071401 is 5634451.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31431149109801 + 315888961600 = 5606349^2 + 562040^2 .

It is not a de Polignac number, because 31747038071401 - 2⁴¹ = 29548014815849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31747038071201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2259407826 + ... + 2259421876.

Almost surely, 2^{31747038071401} is an apocalyptic number.

31747038071401 is the 5634451-st square number.

31747038071401 is the 2817226-th centered octagonal number.

It is an amenable number.

31747038071401 is a deficient number, since it is larger than the sum of its proper divisors (81632326158).

31747038071401 is an frugal number, since it uses more digits than its factorization.

31747038071401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28904 (or 14452 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 31747038071401 in words is "thirty-one trillion, seven hundred forty-seven billion, thirty-eight million, seventy-one thousand, four hundred one".