31020102131219 has 8 divisors (see below), whose sum is σ = 31839119655840. Its totient is φ = 30204057448000.

The previous prime is 31020102131201. The next prime is 31020102131243. The reversal of 31020102131219 is 91213120102013.

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

It is not a de Polignac number, because 31020102131219 - 2¹⁶ = 31020102065683 is a prime.

It is a super-2 number, since 2×31020102131219² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020102131279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743189207 + ... + 743230944.

It is an arithmetic number, because the mean of its divisors is an integer number (3979889956980).

Almost surely, 2^{31020102131219} is an apocalyptic number.

31020102131219 is a deficient number, since it is larger than the sum of its proper divisors (819017524621).

31020102131219 is a wasteful number, since it uses less digits than its factorization.

31020102131219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486420701.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 31020102131219 in words is "thirty-one trillion, twenty billion, one hundred two million, one hundred thirty-one thousand, two hundred nineteen".