1203131101 has 8 divisors (see below), whose sum is σ = 1237396608. Its totient is φ = 1169100000.

The previous prime is 1203131093. The next prime is 1203131113. The reversal of 1203131101 is 1011313021.

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 1203131101 - 2³ = 1203131093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203131141) 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, 48165 + ... + 68746.

It is an arithmetic number, because the mean of its divisors is an integer number (154674576).

Almost surely, 2^1203131101 is an apocalyptic number.

It is an amenable number.

1203131101 is a deficient number, since it is larger than the sum of its proper divisors (34265507).

1203131101 is a wasteful number, since it uses less digits than its factorization.

1203131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117203.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1203131101 is about 34686.1802595789. The cubic root of 1203131101 is about 1063.5820140670.

Adding to 1203131101 its reverse (1011313021), we get a palindrome (2214444122).

The spelling of 1203131101 in words is "one billion, two hundred three million, one hundred thirty-one thousand, one hundred one".