357138611231 has 4 divisors (see below), whose sum is σ = 357141787464. Its totient is φ = 357135435000.

The previous prime is 357138611213. The next prime is 357138611233. The reversal of 357138611231 is 132116831753.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132116831753 = 325723 ⋅405611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-357138611231 is a prime.

It is a super-2 number, since 2×357138611231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357138611233) 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, 1413020 + ... + 1646481.

It is an arithmetic number, because the mean of its divisors is an integer number (89285446866).

Almost surely, 2^357138611231 is an apocalyptic number.

357138611231 is a deficient number, since it is larger than the sum of its proper divisors (3176233).

357138611231 is a wasteful number, since it uses less digits than its factorization.

357138611231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176232.

The product of its digits is 90720, while the sum is 41.

The spelling of 357138611231 in words is "three hundred fifty-seven billion, one hundred thirty-eight million, six hundred eleven thousand, two hundred thirty-one".