31934047401 has 9 divisors (see below), whose sum is σ = 46127731741. Its totient is φ = 21289007532.

The previous prime is 31934047393. The next prime is 31934047429. The reversal of 31934047401 is 10474043913.

The square root of 31934047401 is 178701.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 31934047401 - 2³ = 31934047393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31934047501) 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, 506320 + ... + 565886.

Almost surely, 2^31934047401 is an apocalyptic number.

31934047401 is the 178701-st square number.

31934047401 is the 89351-st centered octagonal number.

It is an amenable number.

31934047401 is a deficient number, since it is larger than the sum of its proper divisors (14193684340).

31934047401 is an frugal number, since it uses more digits than its factorization.

31934047401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119140 (or 59570 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Multiplying 31934047401 by its sum of digits (36), we get a square (1149625706436 = 1072206²).

The spelling of 31934047401 in words is "thirty-one billion, nine hundred thirty-four million, forty-seven thousand, four hundred one".