31042133042 has 16 divisors (see below), whose sum is σ = 49604687712. Its totient is φ = 14518440000.

The previous prime is 31042133039. The next prime is 31042133069. The reversal of 31042133042 is 24033124013.

It is a super-2 number, since 2×31042133042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31042132999 and 31042133017.

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, 2795084 + ... + 2806167.

It is an arithmetic number, because the mean of its divisors is an integer number (3100292982).

Almost surely, 2^31042133042 is an apocalyptic number.

31042133042 is a deficient number, since it is larger than the sum of its proper divisors (18562554670).

31042133042 is a wasteful number, since it uses less digits than its factorization.

31042133042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601433.

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

Adding to 31042133042 its reverse (24033124013), we get a palindrome (55075257055).

The spelling of 31042133042 in words is "thirty-one billion, forty-two million, one hundred thirty-three thousand, forty-two".