31030533332 has 6 divisors (see below), whose sum is σ = 54303433338. Its totient is φ = 15515266664.

The previous prime is 31030533277. The next prime is 31030533341. The reversal of 31030533332 is 23333503013.

It can be written as a sum of positive squares in only one way, i.e., 24597530896 + 6433002436 = 156836^2 + 80206^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878816663 + ... + 3878816670.

It is an arithmetic number, because the mean of its divisors is an integer number (9050572223).

Almost surely, 2^31030533332 is an apocalyptic number.

It is an amenable number.

31030533332 is a deficient number, since it is larger than the sum of its proper divisors (23272900006).

31030533332 is a wasteful number, since it uses less digits than its factorization.

31030533332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757633337 (or 7757633335 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 26.

The spelling of 31030533332 in words is "thirty-one billion, thirty million, five hundred thirty-three thousand, three hundred thirty-two".