97213121313 has 32 divisors (see below), whose sum is σ = 167173493760. Its totient is φ = 48758928960.

The previous prime is 97213121279. The next prime is 97213121323. The reversal of 97213121313 is 31312131279.

It is not a de Polignac number, because 97213121313 - 2¹⁰ = 97213120289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (97213121323) 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, 7249095 + ... + 7262492.

It is an arithmetic number, because the mean of its divisors is an integer number (5224171680).

Almost surely, 2^97213121313 is an apocalyptic number.

It is an amenable number.

97213121313 is a deficient number, since it is larger than the sum of its proper divisors (69960372447).

97213121313 is a wasteful number, since it uses less digits than its factorization.

97213121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511637.

The product of its digits is 6804, while the sum is 33.

The spelling of 97213121313 in words is "ninety-seven billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred thirteen".