609151431 has 16 divisors (see below), whose sum is σ = 928615424. Its totient is φ = 347942304.

The previous prime is 609151421. The next prime is 609151447. The reversal of 609151431 is 134151906.

It is not a de Polignac number, because 609151431 - 2⁵ = 609151399 is a prime.

It is a super-2 number, since 2×609151431² = 742130931778695522, which 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 (609151421) 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, 65865 + ... + 74541.

It is an arithmetic number, because the mean of its divisors is an integer number (58038464).

Almost surely, 2^609151431 is an apocalyptic number.

609151431 is a deficient number, since it is larger than the sum of its proper divisors (319463993).

609151431 is a wasteful number, since it uses less digits than its factorization.

609151431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 609151431 is about 24680.9933146946. The cubic root of 609151431 is about 847.6991667379.

The spelling of 609151431 in words is "six hundred nine million, one hundred fifty-one thousand, four hundred thirty-one".