531234145140315 has 32 divisors (see below), whose sum is σ = 900217899040320. Its totient is φ = 266586186952704.

The previous prime is 531234145140311. The next prime is 531234145140331. The reversal of 531234145140315 is 513041541432135.

It is not a de Polignac number, because 531234145140315 - 2² = 531234145140311 is a prime.

It is a super-2 number, since 2×531234145140315² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531234145140311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282346450 + ... + 284221719.

It is an arithmetic number, because the mean of its divisors is an integer number (28131809345010).

Almost surely, 2^{531234145140315} is an apocalyptic number.

531234145140315 is a deficient number, since it is larger than the sum of its proper divisors (368983753900005).

531234145140315 is a wasteful number, since it uses less digits than its factorization.

531234145140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566571871.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 531234145140315 in words is "five hundred thirty-one trillion, two hundred thirty-four billion, one hundred forty-five million, one hundred forty thousand, three hundred fifteen".