31140415036 has 24 divisors (see below), whose sum is σ = 54625665024. Its totient is φ = 15533118000.

The previous prime is 31140415013. The next prime is 31140415049. The reversal of 31140415036 is 63051404113.

It is a super-2 number, since 2×31140415036² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31140414995 and 31140415013.

It is a congruent number.

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, 5066181 + ... + 5072323.

It is an arithmetic number, because the mean of its divisors is an integer number (2276069376).

Almost surely, 2^31140415036 is an apocalyptic number.

It is an amenable number.

31140415036 is a deficient number, since it is larger than the sum of its proper divisors (23485249988).

31140415036 is a wasteful number, since it uses less digits than its factorization.

31140415036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961 (or 8959 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31140415036 its reverse (63051404113), we get a palindrome (94191819149).

The spelling of 31140415036 in words is "thirty-one billion, one hundred forty million, four hundred fifteen thousand, thirty-six".