31402864499 has 8 divisors (see below), whose sum is σ = 32457820032. Its totient is φ = 30350531520.

The previous prime is 31402864489. The next prime is 31402864501. The reversal of 31402864499 is 99446820413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31402864499 is a prime.

It is a super-2 number, since 2×31402864499² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402864429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631274 + ... + 679199.

It is an arithmetic number, because the mean of its divisors is an integer number (4057227504).

Almost surely, 2^31402864499 is an apocalyptic number.

31402864499 is a deficient number, since it is larger than the sum of its proper divisors (1054955533).

31402864499 is a wasteful number, since it uses less digits than its factorization.

31402864499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311277.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 31402864499 in words is "thirty-one billion, four hundred two million, eight hundred sixty-four thousand, four hundred ninety-nine".