31423260611305 has 8 divisors (see below), whose sum is σ = 37708276739400. Its totient is φ = 25138365818496.

The previous prime is 31423260611299. The next prime is 31423260611383. The reversal of 31423260611305 is 50311606232413.

It can be written as a sum of positive squares in 4 ways, for example, as 20368360449424 + 11054900161881 = 4513132^2 + 3324891^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31423260611305 - 2³ = 31423260611297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29763090 + ... + 30800779.

It is an arithmetic number, because the mean of its divisors is an integer number (4713534592425).

Almost surely, 2^{31423260611305} is an apocalyptic number.

It is an amenable number.

31423260611305 is a deficient number, since it is larger than the sum of its proper divisors (6285016128095).

31423260611305 is a wasteful number, since it uses less digits than its factorization.

31423260611305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60667643.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 31423260611305 its reverse (50311606232413), we get a palindrome (81734866843718).

The spelling of 31423260611305 in words is "thirty-one trillion, four hundred twenty-three billion, two hundred sixty million, six hundred eleven thousand, three hundred five".