31033231132112 has 40 divisors (see below), whose sum is σ = 67118383627680. Its totient is φ = 13777967306880.

The previous prime is 31033231132081. The next prime is 31033231132177. The reversal of 31033231132112 is 21123113233013.

It is a super-2 number, since 2×31033231132112² (a number of 28 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, 2050285187 + ... + 2050300322.

It is an arithmetic number, because the mean of its divisors is an integer number (1677959590692).

Almost surely, 2^{31033231132112} is an apocalyptic number.

It is an amenable number.

31033231132112 is an abundant number, since it is smaller than the sum of its proper divisors (36085152495568).

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

31033231132112 is a wasteful number, since it uses less digits than its factorization.

31033231132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100585571 (or 4100585565 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31033231132112 its reverse (21123113233013), we get a palindrome (52156344365125).

The spelling of 31033231132112 in words is "thirty-one trillion, thirty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred twelve".