31432312423400 has 96 divisors (see below), whose sum is σ = 83521395330240. Its totient is φ = 10776631426560.

The previous prime is 31432312423397. The next prime is 31432312423427. The reversal of 31432312423400 is 432421323413.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128491604 + ... + 128735996.

It is an arithmetic number, because the mean of its divisors is an integer number (870014534690).

Almost surely, 2^{31432312423400} is an apocalyptic number.

It is an amenable number.

31432312423400 is an abundant number, since it is smaller than the sum of its proper divisors (52089082906840).

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

31432312423400 is a wasteful number, since it uses less digits than its factorization.

31432312423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336283 (or 336274 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31432312423400 its reverse (432421323413), we get a palindrome (31864733746813).

The spelling of 31432312423400 in words is "thirty-one trillion, four hundred thirty-two billion, three hundred twelve million, four hundred twenty-three thousand, four hundred".