70131528307 has 8 divisors (see below), whose sum is σ = 72030430016. Its totient is φ = 68232808512.

The previous prime is 70131528287. The next prime is 70131528331. The reversal of 70131528307 is 70382513107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70131528307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70131528347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168678 + ... + 1227220.

It is an arithmetic number, because the mean of its divisors is an integer number (9003803752).

Almost surely, 2^70131528307 is an apocalyptic number.

70131528307 is a deficient number, since it is larger than the sum of its proper divisors (1898901709).

70131528307 is a wasteful number, since it uses less digits than its factorization.

70131528307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90957.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 70131528307 in words is "seventy billion, one hundred thirty-one million, five hundred twenty-eight thousand, three hundred seven".