131403311222432 has 48 divisors (see below), whose sum is σ = 273985553806272. Its totient is φ = 61821586713600.

The previous prime is 131403311222429. The next prime is 131403311222501. The reversal of 131403311222432 is 234222113304131.

It is a super-3 number, since 3×131403311222432³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27609908 + ... + 32017395.

It is an arithmetic number, because the mean of its divisors is an integer number (5708032370964).

Almost surely, 2^{131403311222432} is an apocalyptic number.

It is an amenable number.

131403311222432 is an abundant number, since it is smaller than the sum of its proper divisors (142582242583840).

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

131403311222432 is a wasteful number, since it uses less digits than its factorization.

131403311222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59631381 (or 59631373 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131403311222432 its reverse (234222113304131), we get a palindrome (365625424526563).

The spelling of 131403311222432 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred twenty-two thousand, four hundred thirty-two".