1601464031 has 4 divisors (see below), whose sum is σ = 1614074112. Its totient is φ = 1588853952.

The previous prime is 1601464027. The next prime is 1601464037. The reversal of 1601464031 is 1304641061.

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 1601464031 - 2² = 1601464027 is a prime.

It is a super-2 number, since 2×1601464031² = 5129374085173537922, 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 (1601464037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6304850 + ... + 6305103.

It is an arithmetic number, because the mean of its divisors is an integer number (403518528).

Almost surely, 2^1601464031 is an apocalyptic number.

1601464031 is a deficient number, since it is larger than the sum of its proper divisors (12610081).

1601464031 is a wasteful number, since it uses less digits than its factorization.

1601464031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610080.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1601464031 is about 40018.2962031119. The cubic root of 1601464031 is about 1169.9637242509.

The spelling of 1601464031 in words is "one billion, six hundred one million, four hundred sixty-four thousand, thirty-one".