131403021420412 has 24 divisors (see below), whose sum is σ = 262967570923904. Its totient is φ = 56280967448112.

The previous prime is 131403021420373. The next prime is 131403021420413. The reversal of 131403021420412 is 214024120304131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403021420413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442168658 + ... + 1442259769.

Almost surely, 2^{131403021420412} is an apocalyptic number.

It is an amenable number.

131403021420412 is an abundant number, since it is smaller than the sum of its proper divisors (131564549503492).

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

131403021420412 is a wasteful number, since it uses less digits than its factorization.

131403021420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884430065 (or 2884430063 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131403021420412 its reverse (214024120304131), we get a palindrome (345427141724543).

The spelling of 131403021420412 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, four hundred twenty thousand, four hundred twelve".