901313431 has 4 divisors (see below), whose sum is σ = 948751000. Its totient is φ = 853875864.

The previous prime is 901313423. The next prime is 901313471. The reversal of 901313431 is 134313109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 901313431 - 2³ = 901313423 is a prime.

It is a super-2 number, since 2×901313431² = 1624731801801983522, 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 = 901313396 and 901313405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901313471) 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 3 ways as a sum of consecutive naturals, for example, 23718756 + ... + 23718793.

It is an arithmetic number, because the mean of its divisors is an integer number (237187750).

Almost surely, 2^901313431 is an apocalyptic number.

901313431 is a deficient number, since it is larger than the sum of its proper divisors (47437569).

901313431 is a wasteful number, since it uses less digits than its factorization.

901313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47437568.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 901313431 is about 30021.8825359104. The cubic root of 901313431 is about 965.9588243504.

The spelling of 901313431 in words is "nine hundred one million, three hundred thirteen thousand, four hundred thirty-one".