31403202335604 has 144 divisors (see below), whose sum is σ = 91697071152960. Its totient is φ = 8955721221120.

The previous prime is 31403202335591. The next prime is 31403202335639. The reversal of 31403202335604 is 40653320230413.

31403202335604 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 3 + 20 + 23 + 3 + 5 + 604 = 666.

It is a super-2 number, since 2×31403202335604² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100305342 + ... + 100617930.

It is an arithmetic number, because the mean of its divisors is an integer number (636785216340).

Almost surely, 2^{31403202335604} is an apocalyptic number.

31403202335604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31403202335604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45848535576480).

31403202335604 is an abundant number, since it is smaller than the sum of its proper divisors (60293868817356).

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

31403202335604 is a wasteful number, since it uses less digits than its factorization.

31403202335604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327550 (or 327545 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 31403202335604 in words is "thirty-one trillion, four hundred three billion, two hundred two million, three hundred thirty-five thousand, six hundred four".