670102631 has 16 divisors (see below), whose sum is σ = 764149248. Its totient is φ = 581671200.

The previous prime is 670102619. The next prime is 670102649. The reversal of 670102631 is 136201076.

It is a de Polignac number, because none of the positive numbers 2^k-670102631 is a prime.

It is a super-2 number, since 2×670102631² = 898075072146244322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670102631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670102831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165230 + ... + 169236.

It is an arithmetic number, because the mean of its divisors is an integer number (47759328).

Almost surely, 2^670102631 is an apocalyptic number.

670102631 is a deficient number, since it is larger than the sum of its proper divisors (94046617).

670102631 is a wasteful number, since it uses less digits than its factorization.

670102631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 670102631 is about 25886.3406258977. The cubic root of 670102631 is about 875.0786894130.

It can be divided in two parts, 670 and 102631, that added together give a palindrome (103301).

The spelling of 670102631 in words is "six hundred seventy million, one hundred two thousand, six hundred thirty-one".