231515010344070 has 192 divisors, whose sum is σ = 608874074565120. Its totient is φ = 61030707062784.

The previous prime is 231515010344053. The next prime is 231515010344071. The reversal of 231515010344070 is 70443010515132.

231515010344070 is a `hidden beast` number, since 2 + 3 + 1 + 51 + 501 + 0 + 34 + 4 + 0 + 70 = 666.

It is a super-2 number, since 2×231515010344070² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231515010344071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3169534969 + ... + 3169608011.

It is an arithmetic number, because the mean of its divisors is an integer number (3171219138360).

Almost surely, 2^{231515010344070} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231515010344070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304437037282560).

231515010344070 is an abundant number, since it is smaller than the sum of its proper divisors (377359064221050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231515010344070 is a wasteful number, since it uses less digits than its factorization.

231515010344070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74379 (or 74376 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 231515010344070 in words is "two hundred thirty-one trillion, five hundred fifteen billion, ten million, three hundred forty-four thousand, seventy".