31863412754 has 4 divisors (see below), whose sum is σ = 47795119134. Its totient is φ = 15931706376.

The previous prime is 31863412753. The next prime is 31863412787. The reversal of 31863412754 is 45721436813.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25579204225 + 6284208529 = 159935^2 + 79273^2 .

It is not an unprimeable number, because it can be changed into a prime (31863412753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7965853187 + ... + 7965853190.

Almost surely, 2^31863412754 is an apocalyptic number.

31863412754 is a deficient number, since it is larger than the sum of its proper divisors (15931706380).

31863412754 is a wasteful number, since it uses less digits than its factorization.

31863412754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931706379.

The product of its digits is 483840, while the sum is 44.

The spelling of 31863412754 in words is "thirty-one billion, eight hundred sixty-three million, four hundred twelve thousand, seven hundred fifty-four".