611402101031 has 32 divisors (see below), whose sum is σ = 662690246400. Its totient is φ = 562289713920.

The previous prime is 611402100961. The next prime is 611402101099. The reversal of 611402101031 is 130101204116.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 611402101031 - 2¹⁰ = 611402100007 is a prime.

It is a super-2 number, since 2×611402101031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611402100994 and 611402101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611402131031) 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, 161787500 + ... + 161791278.

It is an arithmetic number, because the mean of its divisors is an integer number (20709070200).

Almost surely, 2^611402101031 is an apocalyptic number.

611402101031 is a deficient number, since it is larger than the sum of its proper divisors (51288145369).

611402101031 is a wasteful number, since it uses less digits than its factorization.

611402101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 611402101031 its reverse (130101204116), we get a palindrome (741503305147).

The spelling of 611402101031 in words is "six hundred eleven billion, four hundred two million, one hundred one thousand, thirty-one".