70501131 has 32 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 45900000.

The previous prime is 70501127. The next prime is 70501139. The reversal of 70501131 is 13110507.

It is a happy number.

It is not a de Polignac number, because 70501131 - 2² = 70501127 is a prime.

It is a super-2 number, since 2×70501131² = 9940818944558322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70501139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280756 + ... + 281006.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^70501131 is an apocalyptic number.

70501131 is a deficient number, since it is larger than the sum of its proper divisors (36427509).

70501131 is a wasteful number, since it uses less digits than its factorization.

70501131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

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

The square root of 70501131 is about 8396.4951616731. The cubic root of 70501131 is about 413.1096703709.

Adding to 70501131 its reverse (13110507), we get a palindrome (83611638).

The spelling of 70501131 in words is "seventy million, five hundred one thousand, one hundred thirty-one".