2031426343251 has 40 divisors (see below), whose sum is σ = 3059308775600. Its totient is φ = 1343275462080.

The previous prime is 2031426343249. The next prime is 2031426343273. The reversal of 2031426343251 is 1523436241302.

2031426343251 is a `hidden beast` number, since 2 + 0 + 3 + 14 + 2 + 634 + 3 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 2031426343251 - 2¹ = 2031426343249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031426343951) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11951481 + ... + 12120261.

It is an arithmetic number, because the mean of its divisors is an integer number (76482719390).

Almost surely, 2^{2031426343251} is an apocalyptic number.

2031426343251 is a deficient number, since it is larger than the sum of its proper divisors (1027882432349).

2031426343251 is a wasteful number, since it uses less digits than its factorization.

2031426343251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170001 (or 169992 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 2031426343251 in words is "two trillion, thirty-one billion, four hundred twenty-six million, three hundred forty-three thousand, two hundred fifty-one".