31403204141344 has 96 divisors (see below), whose sum is σ = 74816878421376. Its totient is φ = 12666269306880.

The previous prime is 31403204141317. The next prime is 31403204141399. The reversal of 31403204141344 is 44314140230413.

It is a super-2 number, since 2×31403204141344² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90354139 + ... + 90701029.

It is an arithmetic number, because the mean of its divisors is an integer number (779342483556).

Almost surely, 2^{31403204141344} is an apocalyptic number.

31403204141344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31403204141344 is an abundant number, since it is smaller than the sum of its proper divisors (43413674280032).

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

31403204141344 is a wasteful number, since it uses less digits than its factorization.

31403204141344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370698 (or 370690 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 31403204141344 its reverse (44314140230413), we get a palindrome (75717344371757).

The spelling of 31403204141344 in words is "thirty-one trillion, four hundred three billion, two hundred four million, one hundred forty-one thousand, three hundred forty-four".