1013426431 has 8 divisors (see below), whose sum is σ = 1061005680. Its totient is φ = 966689472.

The previous prime is 1013426419. The next prime is 1013426443. The reversal of 1013426431 is 1346243101.

It is an interprime number because it is at equal distance from previous prime (1013426419) and next prime (1013426443).

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

It is a cyclic number.

It is not a de Polignac number, because 1013426431 - 2¹⁵ = 1013393663 is a prime.

It is a super-2 number, since 2×1013426431² = 2054066262098795522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013426396 and 1013426405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013426471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208110 + ... + 212923.

It is an arithmetic number, because the mean of its divisors is an integer number (132625710).

Almost surely, 2^1013426431 is an apocalyptic number.

1013426431 is a deficient number, since it is larger than the sum of its proper divisors (47579249).

1013426431 is an equidigital number, since it uses as much as digits as its factorization.

1013426431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421145.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1013426431 is about 31834.3592836419. The cubic root of 1013426431 is about 1004.4555951869.

Adding to 1013426431 its reverse (1346243101), we get a palindrome (2359669532).

The spelling of 1013426431 in words is "one billion, thirteen million, four hundred twenty-six thousand, four hundred thirty-one".