101953797231 has 32 divisors (see below), whose sum is σ = 160032112128. Its totient is φ = 56919853440.

The previous prime is 101953797229. The next prime is 101953797293. The reversal of 101953797231 is 132797359101.

It is a happy number.

It is not a de Polignac number, because 101953797231 - 2¹ = 101953797229 is a prime.

It is a super-2 number, since 2×101953797231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101953797131) 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, 35076 + ... + 452921.

It is an arithmetic number, because the mean of its divisors is an integer number (5001003504).

Almost surely, 2^101953797231 is an apocalyptic number.

101953797231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101953797231 is a deficient number, since it is larger than the sum of its proper divisors (58078314897).

101953797231 is a wasteful number, since it uses less digits than its factorization.

101953797231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488511.

The product of its (nonzero) digits is 357210, while the sum is 48.

The spelling of 101953797231 in words is "one hundred one billion, nine hundred fifty-three million, seven hundred ninety-seven thousand, two hundred thirty-one".