31302031030 has 16 divisors (see below), whose sum is σ = 57653974224. Its totient is φ = 12229630560.

The previous prime is 31302031021. The next prime is 31302031051. The reversal of 31302031030 is 3013020313.

It is a junction number, because it is equal to n+sod(n) for n = 31302030995 and 31302031013.

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, 36397281 + ... + 36398140.

It is an arithmetic number, because the mean of its divisors is an integer number (3603373389).

Almost surely, 2^31302031030 is an apocalyptic number.

31302031030 is a deficient number, since it is larger than the sum of its proper divisors (26351943194).

31302031030 is a wasteful number, since it uses less digits than its factorization.

31302031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72795471.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31302031030 its reverse (3013020313), we get a palindrome (34315051343).

The spelling of 31302031030 in words is "thirty-one billion, three hundred two million, thirty-one thousand, thirty".