631150335340 has 24 divisors (see below), whose sum is σ = 1514760805152. Its totient is φ = 216394400640.

The previous prime is 631150335313. The next prime is 631150335391. The reversal of 631150335340 is 43533051136.

It is a junction number, because it is equal to n+sod(n) for n = 631150335296 and 631150335305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254108201 + ... + 2254108480.

It is an arithmetic number, because the mean of its divisors is an integer number (63115033548).

Almost surely, 2^631150335340 is an apocalyptic number.

It is an amenable number.

631150335340 is an abundant number, since it is smaller than the sum of its proper divisors (883610469812).

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

631150335340 is a wasteful number, since it uses less digits than its factorization.

631150335340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508216697 (or 4508216695 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 631150335340 its reverse (43533051136), we get a palindrome (674683386476).

The spelling of 631150335340 in words is "six hundred thirty-one billion, one hundred fifty million, three hundred thirty-five thousand, three hundred forty".