31425447360340 has 48 divisors (see below), whose sum is σ = 71995504420224. Its totient is φ = 11427012963200.

The previous prime is 31425447360337. The next prime is 31425447360347. The reversal of 31425447360340 is 4306374452413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425447360347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355362 + ... + 8608678.

It is an arithmetic number, because the mean of its divisors is an integer number (1499906342088).

Almost surely, 2^{31425447360340} is an apocalyptic number.

It is an amenable number.

31425447360340 is an abundant number, since it is smaller than the sum of its proper divisors (40570057059884).

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

31425447360340 is a wasteful number, since it uses less digits than its factorization.

31425447360340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280528 (or 5280526 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 31425447360340 in words is "thirty-one trillion, four hundred twenty-five billion, four hundred forty-seven million, three hundred sixty thousand, three hundred forty".