31954064 has 10 divisors (see below), whose sum is σ = 61911030. Its totient is φ = 15977024.

The previous prime is 31954049. The next prime is 31954103. The reversal of 31954064 is 46045913.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 369664 = 5620^2 + 608^2 .

It is a super-2 number, since 2×31954064² = 2042124412232192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31954064.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998549 + ... + 998580.

It is an arithmetic number, because the mean of its divisors is an integer number (6191103).

Almost surely, 2^31954064 is an apocalyptic number.

It is an amenable number.

31954064 is a deficient number, since it is larger than the sum of its proper divisors (29956966).

31954064 is a wasteful number, since it uses less digits than its factorization.

31954064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997137 (or 1997131 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 31954064 is about 5652.7925842012. The cubic root of 31954064 is about 317.3282233640.

Adding to 31954064 its reverse (46045913), we get a palindrome (77999977).

The spelling of 31954064 in words is "thirty-one million, nine hundred fifty-four thousand, sixty-four".