31472983 has 2 divisors, whose sum is σ = 31472984. Its totient is φ = 31472982.

The previous prime is 31472963. The next prime is 31473031. The reversal of 31472983 is 38927413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31472983 - 2¹⁷ = 31341911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31472963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15736491 + 15736492.

It is an arithmetic number, because the mean of its divisors is an integer number (15736492).

Almost surely, 2^31472983 is an apocalyptic number.

31472983 is a deficient number, since it is larger than the sum of its proper divisors (1).

31472983 is an equidigital number, since it uses as much as digits as its factorization.

31472983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 31472983 is about 5610.0786982002. The cubic root of 31472983 is about 315.7276635346.

The spelling of 31472983 in words is "thirty-one million, four hundred seventy-two thousand, nine hundred eighty-three".