1351425831 has 16 divisors (see below), whose sum is σ = 2101344000. Its totient is φ = 772242744.

The previous prime is 1351425799. The next prime is 1351425869. The reversal of 1351425831 is 1385241531.

It is not a de Polignac number, because 1351425831 - 2⁵ = 1351425799 is a prime.

It is a super-2 number, since 2×1351425831² = 3652703553388081122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1351425792 and 1351425801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351425871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655641 + ... + 657698.

It is an arithmetic number, because the mean of its divisors is an integer number (131334000).

Almost surely, 2^1351425831 is an apocalyptic number.

1351425831 is a deficient number, since it is larger than the sum of its proper divisors (749918169).

1351425831 is an equidigital number, since it uses as much as digits as its factorization.

1351425831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313363 (or 1313349 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 1351425831 is about 36761.7441234771. The cubic root of 1351425831 is about 1105.5984094523.

The spelling of 1351425831 in words is "one billion, three hundred fifty-one million, four hundred twenty-five thousand, eight hundred thirty-one".