31010144432 has 10 divisors (see below), whose sum is σ = 60082154868. Its totient is φ = 15505072208.

The previous prime is 31010144423. The next prime is 31010144443. The reversal of 31010144432 is 23444101013.

It is a junction number, because it is equal to n+sod(n) for n = 31010144398 and 31010144407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969066998 + ... + 969067029.

Almost surely, 2^31010144432 is an apocalyptic number.

It is an amenable number.

31010144432 is a deficient number, since it is larger than the sum of its proper divisors (29072010436).

31010144432 is a wasteful number, since it uses less digits than its factorization.

31010144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938134035 (or 1938134029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31010144432 its reverse (23444101013), we get a palindrome (54454245445).

The spelling of 31010144432 in words is "thirty-one billion, ten million, one hundred forty-four thousand, four hundred thirty-two".