31243037050 has 24 divisors (see below), whose sum is σ = 58156162812. Its totient is φ = 12487728000.

The previous prime is 31243037041. The next prime is 31243037081. The reversal of 31243037050 is 5073034213.

It is a Cunningham number, because it is equal to 176757²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 22433149729 + 8809887321 = 149777^2 + 93861^2 .

It is a super-2 number, since 2×31243037050² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170461 + ... + 302560.

Almost surely, 2^31243037050 is an apocalyptic number.

31243037050 is a deficient number, since it is larger than the sum of its proper divisors (26913125762).

31243037050 is a wasteful number, since it uses less digits than its factorization.

31243037050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474354 (or 474349 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The spelling of 31243037050 in words is "thirty-one billion, two hundred forty-three million, thirty-seven thousand, fifty".