1201631150403 has 24 divisors (see below), whose sum is σ = 1737400116816. Its totient is φ = 800298201600.

The previous prime is 1201631150393. The next prime is 1201631150413. The reversal of 1201631150403 is 3040511361021.

It is a happy number.

1201631150403 is a `hidden beast` number, since 1 + 20 + 1 + 631 + 1 + 5 + 0 + 4 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1201631150393) and next prime (1201631150413).

It is not a de Polignac number, because 1201631150403 - 2⁸ = 1201631150147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201631150413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61369951 + ... + 61389527.

It is an arithmetic number, because the mean of its divisors is an integer number (72391671534).

Almost surely, 2^{1201631150403} is an apocalyptic number.

1201631150403 is a deficient number, since it is larger than the sum of its proper divisors (535768966413).

1201631150403 is a wasteful number, since it uses less digits than its factorization.

1201631150403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25955 (or 25952 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 1201631150403 in words is "one trillion, two hundred one billion, six hundred thirty-one million, one hundred fifty thousand, four hundred three".