31020677243455 has 48 divisors (see below), whose sum is σ = 38256608033280. Its totient is φ = 24146672222400.

The previous prime is 31020677243411. The next prime is 31020677243527. The reversal of 31020677243455 is 55434277602013.

It is not a de Polignac number, because 31020677243455 - 2¹⁹ = 31020676719167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31020677243399 and 31020677243408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8450196270 + ... + 8450199940.

It is an arithmetic number, because the mean of its divisors is an integer number (797012667360).

Almost surely, 2^{31020677243455} is an apocalyptic number.

31020677243455 is a deficient number, since it is larger than the sum of its proper divisors (7235930789825).

31020677243455 is a wasteful number, since it uses less digits than its factorization.

31020677243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012 (or 6969 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 31020677243455 in words is "thirty-one trillion, twenty billion, six hundred seventy-seven million, two hundred forty-three thousand, four hundred fifty-five".