31650441232 has 10 divisors (see below), whose sum is σ = 61322729918. Its totient is φ = 15825220608.

The previous prime is 31650441209. The next prime is 31650441233. The reversal of 31650441232 is 23214405613.

It can be written as a sum of positive squares in only one way, i.e., 18753659136 + 12896782096 = 136944^2 + 113564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31650441194 and 31650441203.

It is not an unprimeable number, because it can be changed into a prime (31650441233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989076273 + ... + 989076304.

Almost surely, 2^31650441232 is an apocalyptic number.

It is an amenable number.

31650441232 is a deficient number, since it is larger than the sum of its proper divisors (29672288686).

31650441232 is a wasteful number, since it uses less digits than its factorization.

31650441232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978152585 (or 1978152579 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31650441232 its reverse (23214405613), we get a palindrome (54864846845).

The spelling of 31650441232 in words is "thirty-one billion, six hundred fifty million, four hundred forty-one thousand, two hundred thirty-two".