31432747712100 has 144 divisors (see below), whose sum is σ = 105641514926976. Its totient is φ = 7066847232000.

The previous prime is 31432747712099. The next prime is 31432747712101. The reversal of 31432747712100 is 121774723413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31432747712099) and next prime (31432747712101).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (31432747712101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122560221 + ... + 122816420.

Almost surely, 2^{31432747712100} is an apocalyptic number.

31432747712100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31432747712100 is an abundant number, since it is smaller than the sum of its proper divisors (74208767214876).

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

31432747712100 is a wasteful number, since it uses less digits than its factorization.

31432747712100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245376726 (or 245376719 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 31432747712100 in words is "thirty-one trillion, four hundred thirty-two billion, seven hundred forty-seven million, seven hundred twelve thousand, one hundred".