503145370406131 has 4 divisors (see below), whose sum is σ = 503145515244672. Its totient is φ = 503145225567592.

The previous prime is 503145370406083. The next prime is 503145370406153. The reversal of 503145370406131 is 131604073541305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 503145370406131 - 2⁹ = 503145370405619 is a prime.

It is a super-2 number, since 2×503145370406131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503145370403131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67077160 + ... + 74199973.

It is an arithmetic number, because the mean of its divisors is an integer number (125786378811168).

Almost surely, 2^{503145370406131} is an apocalyptic number.

503145370406131 is a deficient number, since it is larger than the sum of its proper divisors (144838541).

503145370406131 is a wasteful number, since it uses less digits than its factorization.

503145370406131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144838540.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 503145370406131 in words is "five hundred three trillion, one hundred forty-five billion, three hundred seventy million, four hundred six thousand, one hundred thirty-one".