131403434321452 has 12 divisors (see below), whose sum is σ = 229958442551656. Its totient is φ = 65701022163840.

The previous prime is 131403434321443. The next prime is 131403434321483. The reversal of 131403434321452 is 254123434304131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173323698 + ... + 174080185.

Almost surely, 2^{131403434321452} is an apocalyptic number.

It is an amenable number.

131403434321452 is a deficient number, since it is larger than the sum of its proper divisors (98555008230204).

131403434321452 is a wasteful number, since it uses less digits than its factorization.

131403434321452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347498448 (or 347498446 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 131403434321452 its reverse (254123434304131), we get a palindrome (385526868625583).

The spelling of 131403434321452 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-four million, three hundred twenty-one thousand, four hundred fifty-two".