1245351344031 has 40 divisors (see below), whose sum is σ = 1949012831744. Its totient is φ = 791460545040.

The previous prime is 1245351343937. The next prime is 1245351344047. The reversal of 1245351344031 is 1304431535421.

1245351344031 is a `hidden beast` number, since 1 + 2 + 453 + 5 + 134 + 40 + 31 = 666.

It is not a de Polignac number, because 1245351344031 - 2¹⁵ = 1245351311263 is a prime.

It is a super-2 number, since 2×1245351344031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245351344131) 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, 3532945 + ... + 3869418.

Almost surely, 2^{1245351344031} is an apocalyptic number.

1245351344031 is a deficient number, since it is larger than the sum of its proper divisors (703661487713).

1245351344031 is an equidigital number, since it uses as much as digits as its factorization.

1245351344031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7402473 (or 7402464 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1245351344031 its reverse (1304431535421), we get a palindrome (2549782879452).

The spelling of 1245351344031 in words is "one trillion, two hundred forty-five billion, three hundred fifty-one million, three hundred forty-four thousand, thirty-one".