101012123031 has 8 divisors (see below), whose sum is σ = 135941549184. Its totient is φ = 66712056120.

The previous prime is 101012123027. The next prime is 101012123033. The reversal of 101012123031 is 130321210101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101012123031 - 2² = 101012123027 is a prime.

It is a super-2 number, since 2×101012123031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101012123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012123033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157339435 + ... + 157340076.

It is an arithmetic number, because the mean of its divisors is an integer number (16992693648).

Almost surely, 2^101012123031 is an apocalyptic number.

101012123031 is a deficient number, since it is larger than the sum of its proper divisors (34929426153).

101012123031 is a wasteful number, since it uses less digits than its factorization.

101012123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314679621.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101012123031 its reverse (130321210101), we get a palindrome (231333333132).

The spelling of 101012123031 in words is "one hundred one billion, twelve million, one hundred twenty-three thousand, thirty-one".