101311031031 has 16 divisors (see below), whose sum is σ = 154403424000. Its totient is φ = 57882751488.

The previous prime is 101311031009. The next prime is 101311031033. The reversal of 101311031031 is 130130113101.

It is not a de Polignac number, because 101311031031 - 2²¹ = 101308933879 is a prime.

It is a super-2 number, since 2×101311031031² (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 101311031031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311031033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250666 + ... + 515223.

It is an arithmetic number, because the mean of its divisors is an integer number (9650214000).

Almost surely, 2^101311031031 is an apocalyptic number.

101311031031 is a deficient number, since it is larger than the sum of its proper divisors (53092392969).

101311031031 is an equidigital number, since it uses as much as digits as its factorization.

101311031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772198.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 101311031031 its reverse (130130113101), we get a palindrome (231441144132).

The spelling of 101311031031 in words is "one hundred one billion, three hundred eleven million, thirty-one thousand, thirty-one".