31301130321132 has 96 divisors (see below), whose sum is σ = 84529940275200. Its totient is φ = 8829590732352.

The previous prime is 31301130321101. The next prime is 31301130321143. The reversal of 31301130321132 is 23112303110313.

It is a super-2 number, since 2×31301130321132² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174696063 + ... + 174875145.

It is an arithmetic number, because the mean of its divisors is an integer number (880520211200).

Almost surely, 2^{31301130321132} is an apocalyptic number.

It is an amenable number.

31301130321132 is an abundant number, since it is smaller than the sum of its proper divisors (53228809954068).

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

31301130321132 is a wasteful number, since it uses less digits than its factorization.

31301130321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205515 (or 205513 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31301130321132 its reverse (23112303110313), we get a palindrome (54413433431445).

The spelling of 31301130321132 in words is "thirty-one trillion, three hundred one billion, one hundred thirty million, three hundred twenty-one thousand, one hundred thirty-two".