31472427413 has 24 divisors (see below), whose sum is σ = 37312042680. Its totient is φ = 26462056320.

The previous prime is 31472427409. The next prime is 31472427433.

31472427413 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1350048049 + 30122379364 = 36743^2 + 173558^2 .

It is not a de Polignac number, because 31472427413 - 2² = 31472427409 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 (31472427433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1100783 + ... + 1129011.

It is an arithmetic number, because the mean of its divisors is an integer number (1554668445).

Almost surely, 2^31472427413 is an apocalyptic number.

It is an amenable number.

31472427413 is a deficient number, since it is larger than the sum of its proper divisors (5839615267).

31472427413 is a wasteful number, since it uses less digits than its factorization.

31472427413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28677 (or 28670 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The spelling of 31472427413 in words is "thirty-one billion, four hundred seventy-two million, four hundred twenty-seven thousand, four hundred thirteen".