31032123242 has 16 divisors (see below), whose sum is σ = 46608718464. Its totient is φ = 15495900000.

The previous prime is 31032123233. The next prime is 31032123251. The reversal of 31032123242 is 24232123013.

It is an interprime number because it is at equal distance from previous prime (31032123233) and next prime (31032123251).

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, 7384742 + ... + 7388942.

It is an arithmetic number, because the mean of its divisors is an integer number (2913044904).

Almost surely, 2^31032123242 is an apocalyptic number.

31032123242 is a deficient number, since it is larger than the sum of its proper divisors (15576595222).

31032123242 is a wasteful number, since it uses less digits than its factorization.

31032123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31032123242 its reverse (24232123013), we get a palindrome (55264246255).

The spelling of 31032123242 in words is "thirty-one billion, thirty-two million, one hundred twenty-three thousand, two hundred forty-two".