31412312019 has 12 divisors (see below), whose sum is σ = 49498188792. Its totient is φ = 19037764800.

The previous prime is 31412311993. The next prime is 31412312023. The reversal of 31412312019 is 91021321413.

It is not a de Polignac number, because 31412312019 - 2¹⁵ = 31412279251 is a prime.

It is a super-2 number, since 2×31412312019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31412311983 and 31412312001.

It is not an unprimeable number, because it can be changed into a prime (31412312069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158647942 + ... + 158648139.

It is an arithmetic number, because the mean of its divisors is an integer number (4124849066).

Almost surely, 2^31412312019 is an apocalyptic number.

31412312019 is a deficient number, since it is larger than the sum of its proper divisors (18085876773).

31412312019 is a wasteful number, since it uses less digits than its factorization.

31412312019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317296098 (or 317296095 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 31412312019 in words is "thirty-one billion, four hundred twelve million, three hundred twelve thousand, nineteen".