352240325631 has 24 divisors (see below), whose sum is σ = 516453078960. Its totient is φ = 231291726336.

The previous prime is 352240325623. The next prime is 352240325653. The reversal of 352240325631 is 136523042253.

352240325631 is a `hidden beast` number, since 3 + 5 + 22 + 40 + 32 + 563 + 1 = 666.

It is not a de Polignac number, because 352240325631 - 2³ = 352240325623 is a prime.

It is a super-2 number, since 2×352240325631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352240315631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5157301 + ... + 5225153.

It is an arithmetic number, because the mean of its divisors is an integer number (21518878290).

Almost surely, 2^352240325631 is an apocalyptic number.

352240325631 is a deficient number, since it is larger than the sum of its proper divisors (164212753329).

352240325631 is a wasteful number, since it uses less digits than its factorization.

352240325631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76535 (or 76532 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 352240325631 its reverse (136523042253), we get a palindrome (488763367884).

The spelling of 352240325631 in words is "three hundred fifty-two billion, two hundred forty million, three hundred twenty-five thousand, six hundred thirty-one".