70131051 has 12 divisors (see below), whose sum is σ = 102099712. Its totient is φ = 46385136.

The previous prime is 70131049. The next prime is 70131091. The reversal of 70131051 is 15013107.

It is a happy number.

It is not a de Polignac number, because 70131051 - 2¹ = 70131049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70131041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29536 + ... + 31821.

Almost surely, 2^70131051 is an apocalyptic number.

70131051 is a deficient number, since it is larger than the sum of its proper divisors (31968661).

70131051 is a wasteful number, since it uses less digits than its factorization.

70131051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61490 (or 61487 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 70131051 is about 8374.4283984043. The cubic root of 70131051 is about 412.3855594381.

Adding to 70131051 its reverse (15013107), we get a palindrome (85144158).

The spelling of 70131051 in words is "seventy million, one hundred thirty-one thousand, fifty-one".