131403311222431 has 8 divisors (see below), whose sum is σ = 138397910182400. Its totient is φ = 124416575783640.

The previous prime is 131403311222429. The next prime is 131403311222501. The reversal of 131403311222431 is 134222113304131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131403311222431 - 2¹ = 131403311222429 is a prime.

It is a super-2 number, since 2×131403311222431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131403311222393 and 131403311222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403311222231) 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, 1965845985 + ... + 1965912826.

It is an arithmetic number, because the mean of its divisors is an integer number (17299738772800).

Almost surely, 2^{131403311222431} is an apocalyptic number.

131403311222431 is a deficient number, since it is larger than the sum of its proper divisors (6994598959969).

131403311222431 is a wasteful number, since it uses less digits than its factorization.

131403311222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931760589.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 131403311222431 its reverse (134222113304131), we get a palindrome (265625424526562).

The spelling of 131403311222431 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred twenty-two thousand, four hundred thirty-one".