131230120003400 has 96 divisors (see below), whose sum is σ = 333021307370400. Its totient is φ = 47695096972800.

The previous prime is 131230120003397. The next prime is 131230120003417. The reversal of 131230120003400 is 4300021032131.

It is a super-2 number, since 2×131230120003400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 11382110 + ... + 19799309.

It is an arithmetic number, because the mean of its divisors is an integer number (3468971951775).

Almost surely, 2^{131230120003400} is an apocalyptic number.

131230120003400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131230120003400 is an abundant number, since it is smaller than the sum of its proper divisors (201791187367000).

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

131230120003400 is a wasteful number, since it uses less digits than its factorization.

131230120003400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31183359 (or 31183350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131230120003400 its reverse (4300021032131), we get a palindrome (135530141035531).

The spelling of 131230120003400 in words is "one hundred thirty-one trillion, two hundred thirty billion, one hundred twenty million, three thousand, four hundred".