31472963 has 2 divisors, whose sum is σ = 31472964. Its totient is φ = 31472962.

The previous prime is 31472929. The next prime is 31472983. The reversal of 31472963 is 36927413.

It is a strong prime.

It is an emirp because it is prime and its reverse (36927413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31472963 - 2¹⁰ = 31471939 is a prime.

It is a Chen prime.

It is equal to p_1943288 and since 31472963 and 1943288 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (31472983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15736481 + 15736482.

It is an arithmetic number, because the mean of its divisors is an integer number (15736482).

Almost surely, 2^31472963 is an apocalyptic number.

31472963 is a deficient number, since it is larger than the sum of its proper divisors (1).

31472963 is an equidigital number, since it uses as much as digits as its factorization.

31472963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 31472963 is about 5610.0769156938. The cubic root of 31472963 is about 315.7275966566.

The spelling of 31472963 in words is "thirty-one million, four hundred seventy-two thousand, nine hundred sixty-three".