31474995 has 16 divisors (see below), whose sum is σ = 50642592. Its totient is φ = 16692480.

The previous prime is 31474981. The next prime is 31474997. The reversal of 31474995 is 59947413.

It is not a de Polignac number, because 31474995 - 2⁶ = 31474931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31474997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3082 + ... + 8511.

It is an arithmetic number, because the mean of its divisors is an integer number (3165162).

Almost surely, 2^31474995 is an apocalyptic number.

31474995 is a deficient number, since it is larger than the sum of its proper divisors (19167597).

31474995 is a wasteful number, since it uses less digits than its factorization.

31474995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782.

The product of its digits is 136080, while the sum is 42.

The square root of 31474995 is about 5610.2580154570. The cubic root of 31474995 is about 315.7343913210.

The spelling of 31474995 in words is "thirty-one million, four hundred seventy-four thousand, nine hundred ninety-five".