931563440340 has 48 divisors (see below), whose sum is σ = 2809022068608. Its totient is φ = 229307923584.

The previous prime is 931563440303. The next prime is 931563440389. The reversal of 931563440340 is 43044365139.

It is a junction number, because it is equal to n+sod(n) for n = 931563440292 and 931563440301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597155272 + ... + 597156831.

It is an arithmetic number, because the mean of its divisors is an integer number (58521293096).

Almost surely, 2^931563440340 is an apocalyptic number.

It is an amenable number.

931563440340 is an abundant number, since it is smaller than the sum of its proper divisors (1877458628268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

931563440340 is a wasteful number, since it uses less digits than its factorization.

931563440340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194312128 (or 1194312126 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 931563440340 in words is "nine hundred thirty-one billion, five hundred sixty-three million, four hundred forty thousand, three hundred forty".