31472859 has 16 divisors (see below), whose sum is σ = 47358720. Its totient is φ = 18416160.

The previous prime is 31472851. The next prime is 31472867. The reversal of 31472859 is 95827413.

It is an interprime number because it is at equal distance from previous prime (31472851) and next prime (31472867).

It is not a de Polignac number, because 31472859 - 2³ = 31472851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31472851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15487 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (2959920).

Almost surely, 2^31472859 is an apocalyptic number.

31472859 is a deficient number, since it is larger than the sum of its proper divisors (15885861).

31472859 is a wasteful number, since it uses less digits than its factorization.

31472859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32930.

The product of its digits is 60480, while the sum is 39.

The square root of 31472859 is about 5610.0676466510. The cubic root of 31472859 is about 315.7272488903.

It can be divided in two parts, 3147 and 2859, that added together give a palindrome (6006).

The spelling of 31472859 in words is "thirty-one million, four hundred seventy-two thousand, eight hundred fifty-nine".