312601091 has 12 divisors (see below), whose sum is σ = 359916984. Its totient is φ = 269222400.

The previous prime is 312601061. The next prime is 312601103. The reversal of 312601091 is 190106213.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-312601091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312601021) 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, 35390 + ... + 43331.

It is an arithmetic number, because the mean of its divisors is an integer number (29993082).

Almost surely, 2^312601091 is an apocalyptic number.

312601091 is a deficient number, since it is larger than the sum of its proper divisors (47315893).

312601091 is a wasteful number, since it uses less digits than its factorization.

312601091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78770 (or 78751 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 312601091 is about 17680.5285837274. The cubic root of 312601091 is about 678.6775704441.

The spelling of 312601091 in words is "three hundred twelve million, six hundred one thousand, ninety-one".