70337131 has 4 divisors (see below), whose sum is σ = 70417672. Its totient is φ = 70256592.

The previous prime is 70337123. The next prime is 70337149. The reversal of 70337131 is 13173307.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70337131 - 2³ = 70337123 is a prime.

It is a super-2 number, since 2×70337131² = 9894623994622322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70337096 and 70337105.

It is not an unprimeable number, because it can be changed into a prime (70337101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38946 + ... + 40711.

It is an arithmetic number, because the mean of its divisors is an integer number (17604418).

Almost surely, 2^70337131 is an apocalyptic number.

70337131 is a deficient number, since it is larger than the sum of its proper divisors (80541).

70337131 is an equidigital number, since it uses as much as digits as its factorization.

70337131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80540.

The product of its (nonzero) digits is 1323, while the sum is 25.

The square root of 70337131 is about 8386.7234960979. The cubic root of 70337131 is about 412.7890959045.

The spelling of 70337131 in words is "seventy million, three hundred thirty-seven thousand, one hundred thirty-one".