31364875465 has 32 divisors (see below), whose sum is σ = 47001277440. Its totient is φ = 19520395200.

The previous prime is 31364875463. The next prime is 31364875501. The reversal of 31364875465 is 56457846313.

It is not a de Polignac number, because 31364875465 - 2¹ = 31364875463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31364875463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172510 + ... + 304120.

It is an arithmetic number, because the mean of its divisors is an integer number (1468789920).

Almost surely, 2^31364875465 is an apocalyptic number.

31364875465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31364875465 is a deficient number, since it is larger than the sum of its proper divisors (15636401975).

31364875465 is a wasteful number, since it uses less digits than its factorization.

31364875465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132253.

The product of its digits is 7257600, while the sum is 52.

The spelling of 31364875465 in words is "thirty-one billion, three hundred sixty-four million, eight hundred seventy-five thousand, four hundred sixty-five".