542101631 has 8 divisors (see below), whose sum is σ = 555953328. Its totient is φ = 528280000.

The previous prime is 542101607. The next prime is 542101633. The reversal of 542101631 is 136101245.

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 542101631 - 2²² = 537907327 is a prime.

It is a super-2 number, since 2×542101631² = 587748356665720322, 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 = 542101597 and 542101606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542101633) 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, 31556 + ... + 45606.

It is an arithmetic number, because the mean of its divisors is an integer number (69494166).

Almost surely, 2^542101631 is an apocalyptic number.

542101631 is a deficient number, since it is larger than the sum of its proper divisors (13851697).

542101631 is a wasteful number, since it uses less digits than its factorization.

542101631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 542101631 is about 23283.0760639568. The cubic root of 542101631 is about 815.3803441340.

Adding to 542101631 its reverse (136101245), we get a palindrome (678202876).

The spelling of 542101631 in words is "five hundred forty-two million, one hundred one thousand, six hundred thirty-one".