31021142034 has 32 divisors (see below), whose sum is σ = 65338407360. Its totient is φ = 9791539200.

The previous prime is 31021142029. The next prime is 31021142039. The reversal of 31021142034 is 43024112013.

It is an interprime number because it is at equal distance from previous prime (31021142029) and next prime (31021142039).

It is a super-2 number, since 2×31021142034² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31021142034.

It is not an unprimeable number, because it can be changed into a prime (31021142039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183394 + ... + 309314.

It is an arithmetic number, because the mean of its divisors is an integer number (2041825230).

Almost surely, 2^31021142034 is an apocalyptic number.

31021142034 is an abundant number, since it is smaller than the sum of its proper divisors (34317265326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31021142034 is a wasteful number, since it uses less digits than its factorization.

31021142034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128106.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31021142034 its reverse (43024112013), we get a palindrome (74045254047).

The spelling of 31021142034 in words is "thirty-one billion, twenty-one million, one hundred forty-two thousand, thirty-four".