101553400031 has 4 divisors (see below), whose sum is σ = 101773689864. Its totient is φ = 101333110200.

The previous prime is 101553400009. The next prime is 101553400043. The reversal of 101553400031 is 130004355101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130004355101 = 19 ⋅6842334479.

It is a cyclic number.

It is not a de Polignac number, because 101553400031 - 2³⁴ = 84373530847 is a prime.

It is a super-2 number, since 2×101553400031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101553400631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110144225 + ... + 110145146.

It is an arithmetic number, because the mean of its divisors is an integer number (25443422466).

Almost surely, 2^101553400031 is an apocalyptic number.

101553400031 is a deficient number, since it is larger than the sum of its proper divisors (220289833).

101553400031 is an equidigital number, since it uses as much as digits as its factorization.

101553400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220289832.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 101553400031 its reverse (130004355101), we get a palindrome (231557755132).

The spelling of 101553400031 in words is "one hundred one billion, five hundred fifty-three million, four hundred thousand, thirty-one".