31302030424 has 32 divisors (see below), whose sum is σ = 67727013120. Its totient is φ = 13284909216.

The previous prime is 31302030421. The next prime is 31302030433. The reversal of 31302030424 is 42403020313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31302030395 and 31302030404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302030421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707654 + ... + 2719189.

It is an arithmetic number, because the mean of its divisors is an integer number (2116469160).

Almost surely, 2^31302030424 is an apocalyptic number.

It is an amenable number.

31302030424 is an abundant number, since it is smaller than the sum of its proper divisors (36424982696).

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

31302030424 is a wasteful number, since it uses less digits than its factorization.

31302030424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426959 (or 5426955 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31302030424 its reverse (42403020313), we get a palindrome (73705050737).

The spelling of 31302030424 in words is "thirty-one billion, three hundred two million, thirty thousand, four hundred twenty-four".