31000332134 has 16 divisors (see below), whose sum is σ = 48007224960. Its totient is φ = 14998063680.

The previous prime is 31000332107. The next prime is 31000332149. The reversal of 31000332134 is 43123300013.

It is a super-2 number, since 2×31000332134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470612 + ... + 532424.

It is an arithmetic number, because the mean of its divisors is an integer number (3000451560).

Almost surely, 2^31000332134 is an apocalyptic number.

31000332134 is a deficient number, since it is larger than the sum of its proper divisors (17006892826).

31000332134 is a wasteful number, since it uses less digits than its factorization.

31000332134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69935.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31000332134 its reverse (43123300013), we get a palindrome (74123632147).

The spelling of 31000332134 in words is "thirty-one billion, three hundred thirty-two thousand, one hundred thirty-four".