101312997 has 32 divisors (see below), whose sum is σ = 145920000. Its totient is φ = 62337600.

The previous prime is 101312987. The next prime is 101313011. The reversal of 101312997 is 799213101.

It is not a de Polignac number, because 101312997 - 2⁶ = 101312933 is a prime.

It is a super-2 number, since 2×101312997² = 20528646722244018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312917) 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, 670872 + ... + 671022.

It is an arithmetic number, because the mean of its divisors is an integer number (4560000).

Almost surely, 2^101312997 is an apocalyptic number.

It is an amenable number.

101312997 is a deficient number, since it is larger than the sum of its proper divisors (44607003).

101312997 is a wasteful number, since it uses less digits than its factorization.

101312997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 101312997 is about 10065.4357580782. The cubic root of 101312997 is about 466.1815207044.

The spelling of 101312997 in words is "one hundred one million, three hundred twelve thousand, nine hundred ninety-seven".